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Latent ruthenium-indenylidene catalysts bearing a N-heterocyclic carbene and a bidentate picolinate ligand

Abstract : A silver-free methodology was developed for the synthesis of unprecedented N-heterocyclic carbene ruthenium indenylidene complexes bearing a bidentate picolinate ligand. The highly stable (SIPr)(picolinate)RuCl(indenylidene) complex 4a (SIPr = 1,3-bis(2-6-diisopropylphenyl)imidazolidin-2-ylidene) demonstrated excellent latent behaviour in ring closing metathesis (RCM) reaction and could be activated in the presence of a Brønsted acid. The versatility of the catalyst 4a was subsequently demonstrated in RCM, cross-metathesis (CM) and enyne metathesis reactions
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01216289
Contributor : Laurent Jonchère <>
Submitted on : Friday, October 16, 2015 - 9:18:58 AM
Last modification on : Friday, July 10, 2020 - 4:20:16 PM

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Thibault Schmid, Florian Modicom, Adrien Dumas, Etienne Borré, Loic Toupet, et al.. Latent ruthenium-indenylidene catalysts bearing a N-heterocyclic carbene and a bidentate picolinate ligand. Beilstein Journal of Organic Chemistry, Beilstein-Institut, 2015, 11, pp.1541--1546. ⟨10.3762/bjoc.11.169⟩. ⟨hal-01216289⟩

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